Home / 12,148.71-16,764.84-6,843.41

Finding the Fourth Proportional to 12,148.71, 16,764.84 and 6,843.41

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Solution

The fourth proportional to 12,148.71, 16,764.84 and 6,843.41 is: 9,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.71 : 16,764.84 = 6,843.41 : x
  2. Step 2: Convert to fraction form
    12,148.71/16,764.84 = 6,843.41/x
  3. Step 3: Cross multiply
    12,148.71x = 16,764.84 × 6,843.41
  4. Step 4: Simplify right side
    12,148.71x = 114,728,673.70
  5. Step 5: Solve for x
    x = 114,728,673.70/12,148.71
  6. Step 6: Final answer
    x = 9,443.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.